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11:05:25">2021-09-14</time></span></div><div class="content">Flutter 启动页配置12345title: Flutter 启动页配置date: 2019-12-10 5:12:02categories: &quot;Flutter&quot;top_img: &quot;https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl4zhjzuj30qy0e0gyz.jpg&quot;cover: &quot;https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl4zhjzuj30qy0e0gyz.jpg&quot;

测试
</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/blog/2020/08/21/iOS%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0/" title="iOS机器学习">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl0019wlj31ej0u0x6q.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="iOS机器学习"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/21/iOS%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0/" title="iOS机器学习">iOS机器学习</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-21T02:04:10.000Z" title="发表于 2020-08-21 10:04:10">2020-08-21</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/iOS/">iOS</a></span></div><div class="content">机器学习 Machine Learing项目地址
####机器学习的分类

有监督学习 – 准确,但是费时间
给机器一个对应关系 (指着一个手机 告诉机器他是手机) — 训练 (给训练数据贴标签label)
训练完成后 指着手机问它是什么 — 输入
告诉我们它是手机 — 输出 output

无监督学习
不给出对应关系 只是扔一堆东西给机器, 机器最终只能辨别出哪些东西是一类, 哪些不是一类, 仅此而已

半监督学习

增强学习  alphaGo


使用苹果提供的Core ML2苹果也提供了一些训练好的数据,可以在项目中直接使用
苹果机器学习官网地址

目前苹果开放的一些可用的人工智能库
我们先用官网提供的一些训练模型尝试下使用,再去网上找一些Pyton训练好的模型来使用

我们在官网找到想要使用的模型 MobileNetV2FP16
然后下载到本地 导入到项目中
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960 ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/blog/2020/08/20/Docker%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E6%95%B4%E7%90%86/" title="Docker 基础知识整理">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl4zhjzuj30qy0e0gyz.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="Docker 基础知识整理"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/20/Docker%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E6%95%B4%E7%90%86/" title="Docker 基础知识整理">Docker 基础知识整理</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-20T12:12:02.000Z" title="发表于 2020-08-20 20:12:02">2020-08-20</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/Docker/">Docker</a></span></div><div class="content">Docker网络网络基础概念基于数据包的通信方式  和Web服务器通信基于Http协议
目前有两种网络分层模型:

IOS/OSI  7层模型

应用层
表示层
会话层
网络层
数据链路层
物理层


TCP/IP 5层模型 

应用层 
传输成
 网际网曾(IP层) 
网络忌口 
硬件(物理网络)



路由的概念IP地址和路由公有IP和私有IPPublic IP: 互联网上唯一标识,可以访问internet
Private IP: 不可在互联网上使用, 仅供机构内部使用
网络地址转换NAT私有地址访问公有网络 用NAT做转换 通过端口号翻译私有地址
Ping和telnetPing 验证对方IP的可达性
Telnet 检查服务的可用性 可以地址+端口
telnet 10.75.44.10 80  
Network namespace进入任意容器内 ip a
本机内多个容器内的网络是相同的
单机
Bridge Network
Host Network
None Network

多机
Overlay Network

docker network ls

docker network  ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/blog/2020/08/19/Flutter/" title="Flutter">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl0019wlj31ej0u0x6q.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="Flutter"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/19/Flutter/" title="Flutter">Flutter</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-19T02:04:03.000Z" title="发表于 2020-08-19 10:04:03">2020-08-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/iOS/">iOS</a></span></div><div class="content">Flutter是Google的UI工具包
Flutter是一个UI SDK
可以进行移动端(iOS, Android), Web(Beta), 桌面(teachnical preview), 跨平台解决方案
移动端目前很多公司在用 谷歌 阿里 腾讯
特别是阿里的闲鱼团队 为Flutter做了很多贡献
Flutter有统一前端的野心, 正在侵蚀iOS和Android
Flutter的特点: 美观 快速 高效 开放
Flutter的UI渲染性能好 在生产环境下 Flutter将代码编译成机器码执行, 充分利用GPU的图形加速能力,因此使用Flutter开发的移动应用即使在低配的手机上也能实现每秒60帧的渲染速度
Flutter的引擎是C++编写的 包括Skia 2D渲染引擎 Dart运行时和文本渲染库
Hot Reload(热重载)
完全开源的项目
</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/blog/2020/08/19/iOS%20AR%E5%92%8CARKit4/" title="iOS AR和ARKit4">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl0019wlj31ej0u0x6q.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="iOS AR和ARKit4"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/19/iOS%20AR%E5%92%8CARKit4/" title="iOS AR和ARKit4">iOS AR和ARKit4</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-19T02:04:03.000Z" title="发表于 2020-08-19 10:04:03">2020-08-19</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/iOS/">iOS</a></span></div><div class="content">ARKit 4 简介iPadOS 上的 ARKit 4 推出了全新的景深 API，创造了一种新的方式来访问由 iPad Pro 上的激光雷达扫描仪收集的详细深度信息。位置锚定功能利用 Apple 地图中更高分辨率的数据，能在您的 iPhone 和 iPad app 中将增强现实体验放置在世界的特定地方。此外，对面部跟踪的支持扩展到所有配备 Apple 神经网络引擎和前置摄像头的设备，让更多用户能在照片和视频中体验到增强现实的乐趣。
###创建项目


这几种区别
Metal 是最基础的 适合熟练使用的开发者  可以个性化定义
SpriteKit 2D模型
SceneKit 3D模型  支持iOS11.0以上系统，iphone 6s以上手机（即iphone8,1以上）
RealityKit 支持人体追踪  支持iOS13.0以上系统，iphone xs以上手机（即iphone11,2以上）
创建工程获得实例工程
示例工程内的 ARConfiguration
let configuration = ARWorldTrackingConfiguration()
ARConfiguration ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/blog/2020/08/18/Docker%E9%83%A8%E7%BD%B2SpringBoot%E9%A1%B9%E7%9B%AE/" title="Docker 部署 SpringBoot 项目">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl4zhjzuj30qy0e0gyz.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="Docker 部署 SpringBoot 项目"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/18/Docker%E9%83%A8%E7%BD%B2SpringBoot%E9%A1%B9%E7%9B%AE/" title="Docker 部署 SpringBoot 项目">Docker 部署 SpringBoot 项目</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-18T05:12:02.000Z" title="发表于 2020-08-18 13:12:02">2020-08-18</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/Docker/">Docker</a></span></div><div class="content">CentOS 安装 Docker
使用官方脚本自动安装
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun


国内 daocloud 一键安装命令:
curl -sSL https://get.daocloud.io/docker | sh


离线安装(未涉及)
docker地址 可以查找想要的仓库

但是得先注册账号 登录后再打开这个地址
启动Docker &amp; 设置为开机自启
sudo systemctl start docker
sudo systemctl enable docker.service
查看docker版本 docker version

Docker 安装 MySql 5.7 如果不写:5.7 则默认拉取最新版本
docker pull mysql:5.7

创建并启动一个MySql 容器1docker run --name mysqlserver -e MYSQL_ROOT_PASSWORD=123456 -p 3307:3306 -d --restart=always ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/blog/2020/08/16/%E5%8E%8B%E5%8A%9B%E6%B5%8B%E8%AF%95%E5%B7%A5%E5%85%B7Jmeter5%E5%AD%A6%E4%B9%A0/" title="压力测试工具Jmeter5学习">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl4zhjzuj30qy0e0gyz.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="压力测试工具Jmeter5学习"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/16/%E5%8E%8B%E5%8A%9B%E6%B5%8B%E8%AF%95%E5%B7%A5%E5%85%B7Jmeter5%E5%AD%A6%E4%B9%A0/" title="压力测试工具Jmeter5学习">压力测试工具Jmeter5学习</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-16T12:12:02.000Z" title="发表于 2020-08-16 20:12:02">2020-08-16</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/Java/">Java</a></span></div><div class="content">接⼝压测和常⽤压⼒测试⼯具对⽐简介：⽬前⽤的常⽤测试⼯具对⽐
LoadRunner

性能稳定，压测结果及细粒度⼤，可以⾃定义脚本进⾏压测，但是太过于重⼤，功能⽐较繁
多



Apache AB(单接⼝压测最⽅便)

模拟多线程并发请求,ab命令对发出负载的计算机要求很低，既不会占⽤很多CPU，也不会占
⽤太多的内存，但却会给⽬标服务器造成巨⼤的负载, 简单DDOS攻击等



Webbench

webbench⾸先fork出多个⼦进程，每个⼦进程都循环做web访问测试。⼦进程把访问的结果
通过pipe告诉⽗进程，⽗进程做最终的统计结果。



Jmeter

开源免费，功能强⼤，在互联⽹公司普遍使⽤

压测不同的协议和应⽤ 1) Web - HTTP, HTTPS (Java, NodeJS, PHP, ASP.NET, …) 2) SOAP / REST
Webservices 3) FTP 4) Database via JDBC 5) LDAP 轻量⽬录访问协议 6) Message-oriented
middleware (MOM) via JMS 7) Mail - S ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/blog/2020/08/10/10%E5%88%86%E9%92%9F%E7%9C%8B%E6%87%82Docker%E5%92%8CK8S/" title="10分钟看懂Docker和K8S (转载)">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl4zhjzuj30qy0e0gyz.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="10分钟看懂Docker和K8S (转载)"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/10/10%E5%88%86%E9%92%9F%E7%9C%8B%E6%87%82Docker%E5%92%8CK8S/" title="10分钟看懂Docker和K8S (转载)">10分钟看懂Docker和K8S (转载)</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-09T21:12:02.000Z" title="发表于 2020-08-10 05:12:02">2020-08-10</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/Docker/">Docker</a></span></div><div class="content">本文来源：鲜枣课堂
2010年，几个搞IT的年轻人，在美国旧金山成立了一家名叫“dotCloud”的公司。

这家公司主要提供基于PaaS的云计算技术服务。具体来说，是和LXC有关的容器技术。

LXC，就是Linux容器虚拟技术（Linux container）
后来，dotCloud公司将自己的容器技术进行了简化和标准化，并命名为——Docker。

Docker技术诞生之后，并没有引起行业的关注。而dotCloud公司，作为一家小型创业企业，在激烈的竞争之下，也步履维艰。
正当他们快要坚持不下去的时候，脑子里蹦出了“开源”的想法。
什么是“开源”？开源，就是开放源代码。也就是将原来内部保密的程序源代码开放给所有人，然后让大家一起参与进来，贡献代码和意见。

Open Source，开源
有的软件是一开始就开源的。也有的软件，是混不下去，创造者又不想放弃，所以选择开源。自己养不活，就吃“百家饭”嘛。
2013年3月，dotCloud公司的创始人之一，Docker之父，28岁的Solomon Hykes正式决定，将Docker项目开源。

Solomon Hykes（今年刚从Dock ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/blog/2020/08/03/iOS%20TestFlight(beta%E7%89%88%E6%9C%AC%E6%B5%8B%E8%AF%95)/" title="iOS TestFlight(beta版本测试)">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl0019wlj31ej0u0x6q.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="iOS TestFlight(beta版本测试)"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/08/03/iOS%20TestFlight(beta%E7%89%88%E6%9C%AC%E6%B5%8B%E8%AF%95)/" title="iOS TestFlight(beta版本测试)">iOS TestFlight(beta版本测试)</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-08-03T12:21:07.000Z" title="发表于 2020-08-03 20:21:07">2020-08-03</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/iOS/">iOS</a></span></div><div class="content">TestFilght
概念
最初是一个独立的测试分发平台, 支持安卓和iOS在
在2014年2月份被苹果收购, 在iOS8中苹果发布了TestFilght,并集成到了iTunes Connect, 用户将Beta测试流水化
作用
对发布之前的应用,做测试分发
与打包测试的对比
打包测试:

测试者提供他们的UUID  测试者不知道怎么获取,你要告诉他
测试者需要通过软件取出设备识别码
测试者把设备识别码发给开发者
测试者把识别码添加到开发者的账号中  限制100个
开发者需要重新配置描述文件
开发者需要重新打包app
开发者将程序发布给测试者
测试者需要工具才能安装ipa包



Testfilght测试步骤:

测试者提供他们的邮箱
开发者登录 iTunes Connect, 给测试者发送邮件邀请
测试者接受邀请, 通过TestFilght下载安装程序

打包测试针对公司内部测试人员 - TestFilght针对真正的用户  
TestFilght 内部测试25名(无需审核) 外部测试2000名(需要审核) 不需要配置证书 不需要手动分发ipa包

TestFight使用方法
在iT ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/blog/2020/07/10/%E6%8C%81%E7%BB%AD%E9%9B%86%E6%88%90%E4%B8%8E%E6%8C%81%E7%BB%AD%E4%BA%A4%E4%BB%98-CICD/" title="持续集成与持续交付-CICD">     <img class="post_bg" src="https://tva1.sinaimg.cn/large/006y8mN6ly1g8vl6v5kt7j31g60squ0y.jpg" onerror="this.onerror=null;this.src='/blog/img/404.jpg'" alt="持续集成与持续交付-CICD"></a></div><div class="recent-post-info"><a class="article-title" href="/blog/2020/07/10/%E6%8C%81%E7%BB%AD%E9%9B%86%E6%88%90%E4%B8%8E%E6%8C%81%E7%BB%AD%E4%BA%A4%E4%BB%98-CICD/" title="持续集成与持续交付-CICD">持续集成与持续交付-CICD</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2020-07-10T07:12:02.000Z" title="发表于 2020-07-10 15:12:02">2020-07-10</time></span><span class="article-meta"><span class="article-meta__separator">|</span><i class="fas fa-inbox"></i><a class="article-meta__categories" href="/blog/categories/%E8%BF%90%E7%BB%B4/">运维</a></span></div><div class="content">
需要自己搭建一套免费的服务
IDE + GitLab + GitLabCI  
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